Fluid handling – Systems – Multi-way valve unit
Patent
1975-09-30
1978-01-31
Rosenthal, Arnold
Fluid handling
Systems
Multi-way valve unit
13762548, 251138, F16K 336, F16K 1106
Patent
active
040710475
ABSTRACT:
A fluid switch formed of a housing having at least one inlet port to which pressure is applied and at least one outlet port. An inlet conduit disposed within the housing is coupled at one end to an inlet port so that fluid flows therethrough in laminar flow. An outlet conduit is disposed within the housing and is aligned with the inlet conduit. One end of the outlet conduit is coupled to an outlet port. The other ends of the inlet and outlet conduits are spaced from each other by an amount which is less than the critical amount required for the laminar flow to change to turbulent flow. A piston having no fluid sealing means is disposed in the spacing between the conduits and includes a transverse fluid channel which is selectively aligned with the conduits in accordance with the diplacement of the piston. An actuator is provided to exert a force on the piston so as to displace same.
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Eslinger Lewis H.
Micro Pneumatic Logic Inc.
Rosenthal Arnold
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